#!/bin/bash
#for i in {1..100};do
#	let sum+=$i
#done
declare -i i=1
declare -i sum=0
#while [ $i -le 100 ];do
 #  if [ $[$i%2] -ne 0 ];then
#	let sum+=$ libexpat1-dev i
 #  fi
#	let i++
#done
until [ $i -gt 100 ];do
#	if [ $[$i%2] -eq 0 ];then
		let sum+=$i
#	fi
	let i++
done
echo "total sum is :$sum"
